The app transforms a mobile device into an audio function generator. It allows for multiple generators with independent control over frequency, wave type, volume, and phase for precise audio output.
Organize ideas with mind map editing, add nodes and connections, set styles via an inspector, and choose automatic or manual layouts. Fold/unfold nodes for clarity. Apply built-in themes with color schemes. Sync maps across devices using iCloud.
Perform calculations with real-time updates as you type. Switch between multiple tabs for different calculations. Handle with precision using advanced algorithms.
Print and scan documents directly from your iPhone or iPad. Support multiple file formats including PDF, Word, Excel, JPEG, and PNG. Send files to wireless printers or save as digital copies.
Documents, receipts, invoices, and business cards with high-quality scans. text, add notes, and organize files. Export as PDF or image formats and share directly.
Create icons and mockups for iOS. Mimic WeChat Moments and image viewer interfaces. Prevent @mentions on Sina Weibo. Imitate Alipay password prompts and post circles. Implement tags, JS interaction, and web page loading.
, photos, receipts, or other materials into clear, sharp images or PDFs. Adjust color, remove shadows, and correct perspective. Save, email, print, or upload to cloud. Combine multiple scans into one PDF using batch mode.
Calculate unknown parameters for right triangles, rectangles, squares, circles, and regular polygons. Input known measurements to solve for missing values. Display shapes with accurate dimensions and angles.
View PDF documents with fast opening and support for iCloud storage. Browse pages in thumbnail or continuous view. Access comments, attachments, and protected files. Choose single page or fit to page layout.
Turn photos into PDFs by importing from Camera, Photos, or Files. Crop, straighten, and rotate pages. Apply one-tap filters like Grayscale or Sharpen. Set page size, margins, and DPI. Estimate file size and merge or split PDFs.
Graphmatica allows users to plot Cartesian, polar, parametric, and differential equations. It supports data plotting and curve-fitting. Users can graph up to 999 equations simultaneously.
Calculate loans, track investments, plan retirement
Calculate mortgage payments and generate amortization tables. Compute tips and loan details. Analyze time value of money, dates, percentage changes, and break-even points. Perform planning for home purchases, investments, and retirement.
Convert images to PDFs and add signatures to documents directly on your iPhone. Create PDFs from photos or files, sign documents digitally, and save them for sharing or printing. No internet required for creation or signing.